Lifter / Lash Adjuster: Service and Repair

Valve Lifter Replacement

Special Tools

J 3049-A - Valve Lifter Remover

Removal Procedure





1. Remove the intake manifold. Refer to Lower Intake Manifold Replacement Service and Repair.

Note:
Place the components in a rack so that the components can be installed to their original location.

2. Remove the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement Service and Repair.

3. Remove the bolts and lifter pushrod guide.





Note:
Place the valve lifters in the rack in the upright position in order to maintain the oil inside the valve lifters.

4. Remove the lifters.





Note:
Some valve lifters may be stuck in the valve lifter bores because of gum or varnish deposits and may require the use of J 3049-A - remover for removal.

5. Use the J 3049-A - remover in order to remove the stuck valve lifters.

6. Use a cleaning solvent and a shop towel to clean any varnish from the valve lifter bores.

7. Inspect the lifter bores for excessive wear or scoring. Replace the engine block if there is excessive wear or deep scoring.

8. Inspect the camshaft for wear or damage. If the wear is questionable remove the camshaft and inspect. Refer to Camshaft and Bearings Cleaning and Inspection Camshaft and Bearings Cleaning and Inspection.

9. Clean and inspect the lifters, if necessary. Refer to Valve Lifter and Guide Cleaning and Inspection Valve Lifter and Guide Cleaning and Inspection.

Installation Procedure

Note:
It is normal for NEW lifters to make a slight ticking noise when the engine is first started. Increasing the engine RPM slightly to raise oil pressure should stop the noise.





1. Apply lubricant to the lifter rollers. Refer to Adhesives, Fluids, Lubricants, and Sealers Adhesives, Fluids, Lubricants, and Sealers for the correct part number.

Note:
If reusing the lifters, install the lifters to their original positions.

2. Install the lifters.





Caution:
Refer to Fastener Caution Fastener Caution.

3. Install the lifter pushrod guides and tighten the bolts to 16 Nm (12 lb ft).

4. Install the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement Service and Repair.

5. Install the intake manifold. Refer to Lower Intake Manifold Replacement Service and Repair.